arteria ileum, ileal artery, intestinal artery - branch of the superior mesenteric artery that supplies the ileum

intestinal artery, jejunal artery - branch of the superior mesenteric artery that supplies the jejunum

alimentary canal, alimentary tract, digestive tract, digestive tube, gastrointestinal tract, GI tract - tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination

bowel, gut, intestine - the part of the alimentary canal between the stomach and the anus

duodenum - the part of the small intestine between the stomach and the jejunum

jejunum - the part of the small intestine between the duodenum and the ileum

ileum - the part of the small intestine between the jejunum and the cecum